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In the human larynx, the cuneiform cartilages (from Latin: cuneus 'wedge' + forma 'form'; also known as cartilages of Wrisberg) are two small, elongated pieces of yellow elastic cartilage, placed one on either side, in the aryepiglottic fold. [1] The cuneiforms are paired cartilages that sit on top of and move with the arytenoids. [2]
Within the posterior part of each aryepiglottic fold exists a cuneiform cartilage which forms a whitish prominence, the cuneiform tubercle. [citation needed] The aryepiglottic folds contain the aryepiglottic muscles. They form the upper borders of the quadrangular membrane, and the lateral borders of the laryngeal inlet. [1]
The intermediate cuneiform (second cuneiform or middle cuneiform) is shaped like a wedge, the thin end pointing downwards. The intermediate cuneiform is situated between the other two cuneiform bones (the medial and lateral cuneiforms), and articulates with the navicular posteriorly, the second metatarsal anteriorly and with the other ...
Laryngeal cartilages are cartilages which surround and protect the larynx.They form during embryonic development from pharyngeal arches.There are a total of nine laryngeal skeleton in humans:
The free superior border inclines posteriorly, forming the aryepiglottic ligament (the central component of the aryepiglottic fold within which the cuneiform cartilages are contained). Posteriorly, it contributes to the formation of the median corniculopharyngeal ligament.
The triquetral bone (/ t r aɪ ˈ k w ɛ t r əl,-ˈ k w iː-/; also called triquetrum, pyramidal, three-faced, and formerly cuneiform bone) is located in the wrist on the medial side of the proximal row of the carpus between the lunate and pisiform bones. It is on the ulnar side of the hand, but does not directly articulate with the ulna.
The epiglottic valleculae are paired spaces between the root of the tongue and anterior surface of the epiglottis.Each vallecula is bordered medially by the median glossoepiglottic fold and laterally by the lateral glossoepiglottic fold.
The bones of the tarsus are the rear most bones in the adjacent diagram: calcaneus, talus, navicular, cuboid, medial cuneiform, intermediate cuneiform and lateral cuneiform bones. [9] These bones create the two major foot joints – the subtalar and midtarsal joints – that allow complex motions to occur in the feet. These motions are ...